BAFANG MM G31.250, User Manual

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6.6 Error Code Definitions
The MAX-C966 display can give warnings on bicycle faults. When a fault is detected, the icon
will be displayed on the LCD screen, and there will be an error code "n" in the speed display field.
Definitions of error codes are listed in the table below:
Error Code Error Description Error-shooting Method
"03" is displayed in the
field for speed display.
The braking system has been
applied.
Check whether a brake cable is stuck.
“
04
”
is displayed in the
field for speed display.
The throttle has not returned
home
Check whether the throttle has
returned home.
“
05
”
is displayed in the
field for speed display.
Throttle fault Check the throttle.
“
06
”
is displayed in the
field for speed display.
Low voltage protection Check the battery voltage.
“
07
”
is displayed in the
field for speed display.
Overvoltage protection Check the battery voltage.
“
08
”
is displayed in the
field for speed display.
Motor hall signal cable fault Check the motor module.
“
09
”
is displayed in the
field for speed display.
Motor phase cable fault Check the motor module.
“
11
”
is displayed in the
field for speed display.
Controller temperature
sensor failure
Check the controller.
“
12
”
is displayed in the
field for speed display.
Current sensor failure Check the controller.
“
13
”
is displayed in the
field for speed display.
Battery temperature fault Check the battery.
“
21
”
is displayed in the
field for speed display.
External speed-detecting
sensor fault
Check the installation position of the
external speed-detecting sensor.
“
22
”
is displayed in the
field for speed display.
BMS communication failure Replace the battery.
“
30
”
is displayed in the
field for speed display.
Communication failure Check the controller connectors.
……… ………
dn voltage of the nth cell